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204013142 = 2102006571
BaseRepresentation
bin11000010100011…
…11111001010110
3112012212221102022
430022033321112
5404211410032
632124413142
75025040334
oct1412177126
9465787368
10204013142
11a5184103
12583a71b2
1333360b48
141d148b54
1512d9d512
hexc28fe56

204013142 has 4 divisors (see below), whose sum is σ = 306019716. Its totient is φ = 102006570.

The previous prime is 204013133. The next prime is 204013177. The reversal of 204013142 is 241310402.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 204013142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51003284 + ... + 51003287.

It is an arithmetic number, because the mean of its divisors is an integer number (76504929).

Almost surely, 2204013142 is an apocalyptic number.

204013142 is a deficient number, since it is larger than the sum of its proper divisors (102006574).

204013142 is a wasteful number, since it uses less digits than its factorization.

204013142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102006573.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 204013142 is about 14283.3169116981. The cubic root of 204013142 is about 588.6891725721.

Adding to 204013142 its reverse (241310402), we get a palindrome (445323544).

The spelling of 204013142 in words is "two hundred four million, thirteen thousand, one hundred forty-two".

Divisors: 1 2 102006571 204013142